X0508 4 2025-07-01 0001120914 PDF SOLUTIONS INC PDFS 0001165534 MICHAELS KIMON 2858 DE LA CRUZ BLVD. SANTA CLARA CA 95050 1 1 EVP of Products and Solutions 0 Common Stock 2025-07-01 4 F 0 798 21.87 D 28298 I By Spouse Common Stock 1547142 I By Trust This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market. Total Shares includes 4298 unvested restricted stock awards granted to Dr. Michaels's spouse during her employment with the Company, which are automatically forfeited and cancelled in connection with her resignation from the Company effective July 3, 2025. /s/ Adnan Raza, Attorney-in-Fact for Kimon Michaels 2025-07-03